You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
807 lines
21 KiB
807 lines
21 KiB
/*==========================================================================
|
|
*
|
|
* Copyright (C) 1999-2002 Microsoft Corporation. All Rights Reserved.
|
|
*
|
|
* File: OSInd.cpp
|
|
* Content: OS indirection functions to abstract OS specific items.
|
|
*
|
|
* History:
|
|
* Date By Reason
|
|
* ==== == ======
|
|
* 07/12/99 jtk Created
|
|
* 09/21/99 rodtoll Fixed for retail builds
|
|
* 09/22/99 jtk Added callstacks to memory allocations
|
|
* 08/28/2000 masonb Voice Merge: Allow new and delete with size of 0
|
|
* 11/28/2000 rodtoll WinBug #206257 - Retail DPNET.DLL links to DebugBreak()
|
|
* 12/22/2000 aarono ManBug # 190380 use process heap for retail
|
|
* 10/16/2001 vanceo Add AssertNoCriticalSectionsTakenByThisThread capability
|
|
***************************************************************************/
|
|
|
|
#include "dncmni.h"
|
|
|
|
|
|
#define PROF_SECT _T("DirectPlay8")
|
|
|
|
//**********************************************************************
|
|
// Constant definitions
|
|
//**********************************************************************
|
|
|
|
//**********************************************************************
|
|
// Macro definitions
|
|
//**********************************************************************
|
|
|
|
//**********************************************************************
|
|
// Structure definitions
|
|
//**********************************************************************
|
|
|
|
//**********************************************************************
|
|
// Variable definitions
|
|
//**********************************************************************
|
|
|
|
//
|
|
// debug variable to make sure we're initialized before having any functions
|
|
// called
|
|
//
|
|
DEBUG_ONLY( static BOOL g_fOSIndirectionLayerInitialized = FALSE );
|
|
|
|
//
|
|
// OS items
|
|
//
|
|
#if ((! defined(WINCE)) && (! defined(_XBOX)))
|
|
static OSVERSIONINFO g_OSVersionInfo;
|
|
#endif // ! WINCE and ! _XBOX
|
|
|
|
#ifndef DPNBUILD_NOSERIALSP
|
|
static HINSTANCE g_hApplicationInstance;
|
|
#endif // ! DPNBUILD_NOSERIALSP
|
|
|
|
//
|
|
// Global Pools
|
|
//
|
|
#if ((! defined(DPNBUILD_LIBINTERFACE)) && (! defined(DPNBUILD_NOCLASSFACTORY)))
|
|
CFixedPool g_fpClassFactories;
|
|
CFixedPool g_fpObjectDatas;
|
|
CFixedPool g_fpInterfaceLists;
|
|
#endif // ! DPNBUILD_LIBINTERFACE and ! DPNBUILD_NOCLASSFACTORY
|
|
|
|
#ifdef WINNT
|
|
PSECURITY_ATTRIBUTES g_psa = NULL;
|
|
SECURITY_ATTRIBUTES g_sa;
|
|
BYTE g_pSD[SECURITY_DESCRIPTOR_MIN_LENGTH];
|
|
BOOL g_fDaclInited = FALSE;
|
|
PACL g_pEveryoneACL = NULL;
|
|
#endif // WINNT
|
|
|
|
#ifndef DPNBUILD_LIBINTERFACE
|
|
#define CLASSFAC_POOL_INITED 0x00000001
|
|
#define OBJDATA_POOL_INITED 0x00000002
|
|
#define INTLIST_POOL_INITED 0x00000004
|
|
#endif // ! DPNBUILD_LIBINTERFACE
|
|
#ifdef DBG
|
|
#define HANDLE_TRACKING_INITED 0x00000008
|
|
#endif // DBG
|
|
#if ((defined(DBG)) || (defined(DPNBUILD_FIXEDMEMORYMODEL)))
|
|
#define MEMORY_TRACKING_INITED 0x00000010
|
|
#endif // DBG or DPNBUILD_FIXEDMEMORYMODEL
|
|
#if ((defined(DBG)) && (! defined(DPNBUILD_ONLYONETHREAD)))
|
|
#define CRITSEC_TRACKING_INITED 0x00000020
|
|
#endif // DBG and ! DPNBUILD_ONLYONETHREAD
|
|
|
|
#if !defined(DPNBUILD_LIBINTERFACE) || defined(DBG) || defined(DPNBUILD_FIXEDMEMORYMODEL)
|
|
DWORD g_dwCommonInitFlags = 0;
|
|
#endif // !defined(DPNBUILD_LIBINTERFACE) || defined(DBG) || defined(DPNBUILD_FIXEDMEMORYMODEL)
|
|
|
|
//**********************************************************************
|
|
// Function prototypes
|
|
//**********************************************************************
|
|
|
|
//**********************************************************************
|
|
// Function definitions
|
|
//**********************************************************************
|
|
|
|
//**********************************************************************
|
|
// ------------------------------
|
|
// DNOSIndirectionInit - initialize the OS indirection layer
|
|
//
|
|
// Entry: Nothing
|
|
//
|
|
// Exit: Boolean indicating success
|
|
// TRUE = initialization successful
|
|
// FALSE = initialization unsuccessful
|
|
// ------------------------------
|
|
#undef DPF_MODNAME
|
|
#define DPF_MODNAME "DNOSIndirectionInit"
|
|
|
|
BOOL DNOSIndirectionInit( DWORD_PTR dwpMaxMemUsage )
|
|
{
|
|
BOOL fReturn;
|
|
|
|
#ifdef DBG
|
|
DNASSERT( g_fOSIndirectionLayerInitialized == FALSE );
|
|
#endif // DBG
|
|
|
|
//
|
|
// initialize
|
|
//
|
|
fReturn = TRUE;
|
|
|
|
#if ((! defined(WINCE)) && (! defined(_XBOX)))
|
|
//
|
|
// note OS version
|
|
//
|
|
memset( &g_OSVersionInfo, 0x00, sizeof( g_OSVersionInfo ) );
|
|
g_OSVersionInfo.dwOSVersionInfoSize = sizeof( g_OSVersionInfo );
|
|
if ( GetVersionEx( &g_OSVersionInfo ) == FALSE )
|
|
{
|
|
goto Failure;
|
|
}
|
|
#endif // ! WINCE and ! _XBOX
|
|
|
|
#ifndef DPNBUILD_NOSERIALSP
|
|
//
|
|
// note application instance
|
|
//
|
|
g_hApplicationInstance = GetModuleHandle( NULL );
|
|
if ( g_hApplicationInstance == NULL )
|
|
{
|
|
DWORD dwError;
|
|
|
|
|
|
dwError = GetLastError();
|
|
DPFX(DPFPREP, 0, "Failed to GetModuleHandle: 0x%x", dwError );
|
|
goto Failure;
|
|
}
|
|
#endif // ! DPNBUILD_NOSERIALSP
|
|
|
|
#if ((defined(DBG)) && (! defined(DPNBUILD_ONLYONETHREAD)))
|
|
//
|
|
// initialize critical section tracking code before anything else!
|
|
//
|
|
if ( DNCSTrackInitialize() == FALSE )
|
|
{
|
|
DPFX(DPFPREP, 0, "Failed to initialize critsec tracking code!" );
|
|
DNASSERT( FALSE );
|
|
goto Failure;
|
|
}
|
|
g_dwCommonInitFlags |= CRITSEC_TRACKING_INITED;
|
|
#endif // DBG and ! DPNBUILD_ONLYONETHREAD
|
|
|
|
#if ((defined(DBG)) || (defined(DPNBUILD_FIXEDMEMORYMODEL)))
|
|
//
|
|
// initialize memory tracking before creating new memory heap
|
|
//
|
|
if ( DNMemoryTrackInitialize(dwpMaxMemUsage) == FALSE )
|
|
{
|
|
DPFX(DPFPREP, 0, "Failed to initialize memory tracking code!" );
|
|
DNASSERT( FALSE );
|
|
goto Failure;
|
|
}
|
|
g_dwCommonInitFlags |= MEMORY_TRACKING_INITED;
|
|
#endif // DBG or DPNBUILD_FIXEDMEMORYMODEL
|
|
|
|
#ifdef DBG
|
|
//
|
|
// initialize handle tracking
|
|
//
|
|
if ( DNHandleTrackInitialize() == FALSE )
|
|
{
|
|
DPFX(DPFPREP, 0, "Failed to initialize handle tracking code!" );
|
|
DNASSERT( FALSE );
|
|
goto Failure;
|
|
}
|
|
g_dwCommonInitFlags |= HANDLE_TRACKING_INITED;
|
|
#endif // DBG
|
|
|
|
#if ((! defined(DPNBUILD_LIBINTERFACE)) && (! defined(DPNBUILD_NOCLASSFACTORY)))
|
|
//
|
|
// Initialize global pools
|
|
//
|
|
if (!g_fpClassFactories.Initialize( sizeof( _IDirectPlayClassFactory ), NULL, NULL, NULL, NULL))
|
|
{
|
|
DPFX(DPFPREP, 0, "Failed to initialize class factory pool!" );
|
|
goto Failure;
|
|
}
|
|
g_dwCommonInitFlags |= CLASSFAC_POOL_INITED;
|
|
|
|
if (!g_fpObjectDatas.Initialize( sizeof( _OBJECT_DATA ), NULL, NULL, NULL, NULL))
|
|
{
|
|
DPFX(DPFPREP, 0, "Failed to initialize object data pool!" );
|
|
goto Failure;
|
|
}
|
|
g_dwCommonInitFlags |= OBJDATA_POOL_INITED;
|
|
|
|
if (!g_fpInterfaceLists.Initialize( sizeof( _INTERFACE_LIST ), NULL, NULL, NULL, NULL))
|
|
{
|
|
DPFX(DPFPREP, 0, "Failed to initialize interface list pool!" );
|
|
goto Failure;
|
|
}
|
|
g_dwCommonInitFlags |= INTLIST_POOL_INITED;
|
|
#endif // ! DPNBUILD_LIBINTERFACE and ! DPNBUILD_NOCLASSFACTORY
|
|
|
|
srand(GETTIMESTAMP());
|
|
|
|
#if (((! defined(WINCE)) && (! defined(_XBOX))) || (! defined(DPNBUILD_NOSERIALSP)) || (defined(DBG)) || (defined(DPNBUILD_FIXEDMEMORYMODEL)) || ((! defined(DPNBUILD_LIBINTERFACE)) && (! defined(DPNBUILD_NOCLASSFACTORY))) )
|
|
Exit:
|
|
#endif // (! WINCE and ! _XBOX) or ! DPNBUILD_NOSERIALSP or DBG or DPNBUILD_FIXEDMEMORYMODEL or (! DPNBUILD_LIBINTERFACE and ! DPNBUILD_NOCLASSFACTORY)
|
|
if ( fReturn != FALSE )
|
|
{
|
|
DEBUG_ONLY( g_fOSIndirectionLayerInitialized = TRUE );
|
|
}
|
|
|
|
return fReturn;
|
|
|
|
#if (((! defined(WINCE)) && (! defined(_XBOX))) || (! defined(DPNBUILD_NOSERIALSP)) || (defined(DBG)) || (defined(DPNBUILD_FIXEDMEMORYMODEL)) || ((! defined(DPNBUILD_LIBINTERFACE)) && (! defined(DPNBUILD_NOCLASSFACTORY))) )
|
|
Failure:
|
|
fReturn = FALSE;
|
|
|
|
DNOSIndirectionDeinit();
|
|
|
|
goto Exit;
|
|
#endif // (! WINCE and ! _XBOX) or ! DPNBUILD_NOSERIALSP or DBG or DPNBUILD_FIXEDMEMORYMODEL or (! DPNBUILD_LIBINTERFACE and ! DPNBUILD_NOCLASSFACTORY)
|
|
}
|
|
//**********************************************************************
|
|
|
|
|
|
//**********************************************************************
|
|
// ------------------------------
|
|
// DNOSIndirectionDeinit - deinitialize OS indirection layer
|
|
//
|
|
// Entry: Nothing
|
|
//
|
|
// Exit: Nothing
|
|
// ------------------------------
|
|
#undef DPF_MODNAME
|
|
#define DPF_MODNAME "DNOSIndirectionDeinit"
|
|
|
|
void DNOSIndirectionDeinit( void )
|
|
{
|
|
#if ((! defined(DPNBUILD_LIBINTERFACE)) && (! defined(DPNBUILD_NOCLASSFACTORY)))
|
|
//
|
|
// DeInitialize global pools
|
|
//
|
|
if (g_dwCommonInitFlags & CLASSFAC_POOL_INITED)
|
|
{
|
|
g_fpClassFactories.DeInitialize();
|
|
}
|
|
if (g_dwCommonInitFlags & OBJDATA_POOL_INITED)
|
|
{
|
|
g_fpObjectDatas.DeInitialize();
|
|
}
|
|
if (g_dwCommonInitFlags & INTLIST_POOL_INITED)
|
|
{
|
|
g_fpInterfaceLists.DeInitialize();
|
|
}
|
|
#endif // ! DPNBUILD_LIBINTERFACE and ! DPNBUILD_NOCLASSFACTORY
|
|
|
|
#ifdef DBG
|
|
if (g_dwCommonInitFlags & HANDLE_TRACKING_INITED)
|
|
{
|
|
if (DNHandleTrackDumpLeaks())
|
|
{
|
|
// There were leaks, break so we can look at the log
|
|
DNASSERT(0);
|
|
}
|
|
DNHandleTrackDeinitialize();
|
|
}
|
|
#endif // DBG
|
|
|
|
#if ((defined(DBG)) && (! defined(DPNBUILD_ONLYONETHREAD)))
|
|
//
|
|
// Display CritSec leaks before displaying memory leaks, because displaying memory leaks
|
|
// may free the memory for the CritSec and corrupt the CritSec bilink
|
|
//
|
|
if (g_dwCommonInitFlags & CRITSEC_TRACKING_INITED)
|
|
{
|
|
if (DNCSTrackDumpLeaks())
|
|
{
|
|
// There were leaks, break so we can look at the log
|
|
DNASSERT(0);
|
|
}
|
|
DNCSTrackDeinitialize();
|
|
}
|
|
#endif // DBG and ! DPNBUILD_ONLYONETHREAD
|
|
|
|
#if ((defined(DBG)) || (defined(DPNBUILD_FIXEDMEMORYMODEL)))
|
|
if (g_dwCommonInitFlags & MEMORY_TRACKING_INITED)
|
|
{
|
|
#ifdef DBG
|
|
if (DNMemoryTrackDumpLeaks())
|
|
{
|
|
// There were leaks, break so we can look at the log
|
|
DNASSERT(0);
|
|
}
|
|
#endif // DBG
|
|
DNMemoryTrackDeinitialize();
|
|
}
|
|
#endif // DBG or DPNBUILD_FIXEDMEMORYMODEL
|
|
|
|
#ifdef WINNT
|
|
// This should be done after functions that use a Dacl will no longer be
|
|
// called (CreateMutex, CreateFile, etc).
|
|
if (g_pEveryoneACL)
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, g_pEveryoneACL);
|
|
g_pEveryoneACL = NULL;
|
|
}
|
|
#endif // WINNT
|
|
|
|
DEBUG_ONLY( g_fOSIndirectionLayerInitialized = FALSE );
|
|
|
|
#if !defined(DPNBUILD_LIBINTERFACE) || defined(DBG)
|
|
g_dwCommonInitFlags = 0;
|
|
#endif // !defined(DPNBUILD_LIBINTERFACE) || defined(DBG)
|
|
}
|
|
//**********************************************************************
|
|
|
|
|
|
#undef DPF_MODNAME
|
|
#define DPF_MODNAME "DNinet_ntow"
|
|
void DNinet_ntow( IN_ADDR in, WCHAR* pwsz )
|
|
{
|
|
// NOTE: pwsz should be 16 characters (4 3-digit numbers + 3 '.' + \0)
|
|
swprintf(pwsz, L"%d.%d.%d.%d", in.s_net, in.s_host, in.s_lh, in.s_impno);
|
|
}
|
|
|
|
#undef DPF_MODNAME
|
|
#define DPF_MODNAME "DNGetRandomNumber"
|
|
DWORD DNGetRandomNumber()
|
|
{
|
|
return (rand() | (rand() << 16));
|
|
}
|
|
|
|
#if ((! defined(WINCE)) && (! defined(_XBOX)))
|
|
//**********************************************************************
|
|
// ------------------------------
|
|
// DNGetOSType - get OS type
|
|
//
|
|
// Entry: Nothing
|
|
//
|
|
// Exit: OS type
|
|
// ------------------------------
|
|
#undef DPF_MODNAME
|
|
#define DPF_MODNAME "DNGetOSType"
|
|
|
|
UINT_PTR DNGetOSType( void )
|
|
{
|
|
#ifdef DBG
|
|
DNASSERT( g_fOSIndirectionLayerInitialized != FALSE );
|
|
#endif // DBG
|
|
return g_OSVersionInfo.dwPlatformId;
|
|
}
|
|
#endif // ! WINCE and ! _XBOX
|
|
|
|
|
|
#ifdef WINNT
|
|
|
|
//**********************************************************************
|
|
// ------------------------------
|
|
// DNOSIsXPOrGreater - return TRUE if OS is WindowsXP or later or NT flavor
|
|
//
|
|
// Entry: Nothing
|
|
//
|
|
// Exit: BOOL
|
|
// ------------------------------
|
|
#undef DPF_MODNAME
|
|
#define DPF_MODNAME "DNOSIsXPOrGreater"
|
|
|
|
BOOL DNOSIsXPOrGreater( void )
|
|
{
|
|
#ifdef DBG
|
|
DNASSERT( g_fOSIndirectionLayerInitialized != FALSE );
|
|
#endif // DBG
|
|
|
|
return ((g_OSVersionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT) &&
|
|
((g_OSVersionInfo.dwMajorVersion > 5) || ((g_OSVersionInfo.dwMajorVersion == 5) && (g_OSVersionInfo.dwMinorVersion >= 1)))
|
|
);
|
|
}
|
|
|
|
//**********************************************************************
|
|
|
|
//**********************************************************************
|
|
// ------------------------------
|
|
// DNGetNullDacl - get a SECURITY_ATTRIBUTE structure that specifies a
|
|
// NULL DACL which is accesible by all users.
|
|
//
|
|
// Entry: Nothing
|
|
//
|
|
// Exit: PSECURITY_ATTRIBUTES
|
|
// ------------------------------
|
|
#undef DPF_MODNAME
|
|
#define DPF_MODNAME "DNGetNullDacl"
|
|
PSECURITY_ATTRIBUTES DNGetNullDacl()
|
|
{
|
|
PSID psidEveryone = NULL;
|
|
SID_IDENTIFIER_AUTHORITY siaWorld = SECURITY_WORLD_SID_AUTHORITY;
|
|
DWORD dwAclSize;
|
|
|
|
// This is done to make this function independent of DNOSIndirectionInit so that the debug
|
|
// layer can call it before the indirection layer is initialized.
|
|
if (!g_fDaclInited)
|
|
{
|
|
if (!InitializeSecurityDescriptor((SECURITY_DESCRIPTOR*)g_pSD, SECURITY_DESCRIPTOR_REVISION))
|
|
{
|
|
DPFX(DPFPREP, 0, "Failed to initialize security descriptor" );
|
|
goto Error;
|
|
}
|
|
|
|
// Create SID for the Everyone group.
|
|
if (!AllocateAndInitializeSid(&siaWorld, 1, SECURITY_WORLD_RID, 0,
|
|
0, 0, 0, 0, 0, 0, &psidEveryone))
|
|
{
|
|
DPFX(DPFPREP, 0, "Failed to allocate Everyone SID" );
|
|
goto Error;
|
|
}
|
|
|
|
dwAclSize = sizeof(ACL) + sizeof(ACCESS_ALLOWED_ACE) + GetLengthSid(psidEveryone) - sizeof(DWORD);
|
|
|
|
// Allocate the ACL, this won't be a tracked allocation and we will let process cleanup destroy it
|
|
g_pEveryoneACL = (PACL)HeapAlloc(GetProcessHeap(), 0, dwAclSize);
|
|
if (g_pEveryoneACL == NULL)
|
|
{
|
|
DPFX(DPFPREP, 0, "Failed to allocate ACL buffer" );
|
|
goto Error;
|
|
}
|
|
|
|
// Intialize the ACL.
|
|
if (!InitializeAcl(g_pEveryoneACL, dwAclSize, ACL_REVISION))
|
|
{
|
|
DPFX(DPFPREP, 0, "Failed to initialize ACL" );
|
|
goto Error;
|
|
}
|
|
|
|
// Add the ACE.
|
|
if (!AddAccessAllowedAce(g_pEveryoneACL, ACL_REVISION, GENERIC_ALL, psidEveryone))
|
|
{
|
|
DPFX(DPFPREP, 0, "Failed to add ACE to ACL" );
|
|
goto Error;
|
|
}
|
|
|
|
// We no longer need the SID that was allocated.
|
|
FreeSid(psidEveryone);
|
|
psidEveryone = NULL;
|
|
|
|
// Add the ACL to the security descriptor..
|
|
if (!SetSecurityDescriptorDacl((SECURITY_DESCRIPTOR*)g_pSD, TRUE, g_pEveryoneACL, FALSE))
|
|
{
|
|
DPFX(DPFPREP, 0, "Failed to add ACL to security descriptor" );
|
|
goto Error;
|
|
}
|
|
|
|
g_sa.nLength = sizeof(SECURITY_ATTRIBUTES);
|
|
g_sa.lpSecurityDescriptor = g_pSD;
|
|
g_sa.bInheritHandle = FALSE;
|
|
|
|
g_psa = &g_sa;
|
|
|
|
g_fDaclInited = TRUE;
|
|
}
|
|
Error:
|
|
if (psidEveryone)
|
|
{
|
|
FreeSid(psidEveryone);
|
|
psidEveryone = NULL;
|
|
}
|
|
return g_psa;
|
|
}
|
|
//**********************************************************************
|
|
#endif // WINNT
|
|
|
|
#ifndef DPNBUILD_NOSERIALSP
|
|
//**********************************************************************
|
|
// ------------------------------
|
|
// DNGetApplicationInstance - application instance
|
|
//
|
|
// Entry: Nothing
|
|
//
|
|
// Exit: Application instance
|
|
// ------------------------------
|
|
#undef DPF_MODNAME
|
|
#define DPF_MODNAME "DNGetApplicationInstance"
|
|
|
|
HINSTANCE DNGetApplicationInstance( void )
|
|
{
|
|
#ifdef DBG
|
|
DNASSERT( g_fOSIndirectionLayerInitialized != FALSE );
|
|
#endif // DBG
|
|
return g_hApplicationInstance;
|
|
}
|
|
//**********************************************************************
|
|
#endif // ! DPNBUILD_NOSERIALSP
|
|
|
|
|
|
#ifndef DPNBUILD_ONLYONETHREAD
|
|
//**********************************************************************
|
|
// ------------------------------
|
|
// DNOSInitializeCriticalSection - initialize a critical section
|
|
//
|
|
// Entry: Pointer to critical section
|
|
//
|
|
// Exit: Boolean indicating success
|
|
// TRUE = success
|
|
// FALSE = failue
|
|
// ------------------------------
|
|
#undef DPF_MODNAME
|
|
#define DPF_MODNAME "DNOSInitializeCriticalSection"
|
|
|
|
BOOL DNOSInitializeCriticalSection( CRITICAL_SECTION* pCriticalSection )
|
|
{
|
|
BOOL fReturn;
|
|
|
|
DNASSERT( pCriticalSection != NULL );
|
|
fReturn = TRUE;
|
|
|
|
//
|
|
// attempt to enter the critical section once
|
|
//
|
|
_try
|
|
{
|
|
#ifdef WINNT
|
|
// Pre-allocate the critsec event by setting the high bit of the spin count and set spin to 1000
|
|
// NT converts the spin to 0 for single proc machines.
|
|
fReturn = InitializeCriticalSectionAndSpinCount( pCriticalSection , 0x80000000 | 1000);
|
|
#else
|
|
InitializeCriticalSection( pCriticalSection );
|
|
#endif // WINNT
|
|
}
|
|
_except( EXCEPTION_EXECUTE_HANDLER )
|
|
{
|
|
fReturn = FALSE;
|
|
}
|
|
|
|
_try
|
|
{
|
|
if (fReturn)
|
|
{
|
|
EnterCriticalSection( pCriticalSection );
|
|
}
|
|
}
|
|
_except( EXCEPTION_EXECUTE_HANDLER )
|
|
{
|
|
DeleteCriticalSection(pCriticalSection);
|
|
fReturn = FALSE;
|
|
}
|
|
|
|
//
|
|
// if we didn't fail on entering the critical section, make sure
|
|
// we release it
|
|
//
|
|
if ( fReturn != FALSE )
|
|
{
|
|
LeaveCriticalSection( pCriticalSection );
|
|
}
|
|
|
|
return fReturn;
|
|
}
|
|
//**********************************************************************
|
|
#endif // !DPNBUILD_ONLYONETHREAD
|
|
|
|
|
|
#ifdef DBG
|
|
#if ((defined(WINCE)) || ((defined(_XBOX)) && (! defined(XBOX_ON_DESKTOP))))
|
|
|
|
#undef DPF_MODNAME
|
|
#define DPF_MODNAME "DNGetProfileInt"
|
|
|
|
UINT DNGetProfileInt(LPCTSTR lpszSection, LPCTSTR lpszEntry, int nDefault)
|
|
{
|
|
DWORD dwResult;
|
|
#ifndef _XBOX
|
|
CRegistry reg;
|
|
#endif // ! _XBOX
|
|
|
|
|
|
DNASSERT(_tcscmp(lpszSection, _T("DirectPlay8")) == 0);
|
|
|
|
#ifdef _XBOX
|
|
#pragma TODO(vanceo, "Implement GetProfileInt functionality for Xbox")
|
|
dwResult = nDefault;
|
|
#else // ! _XBOX
|
|
if (!reg.Open(HKEY_LOCAL_MACHINE, _T("Software\\Microsoft\\DirectPlay8")))
|
|
{
|
|
// NOTE: This will occur during DllRegisterServer for the first time
|
|
return nDefault;
|
|
}
|
|
|
|
if (!reg.ReadDWORD(lpszEntry, &dwResult))
|
|
{
|
|
return nDefault;
|
|
}
|
|
#endif // ! _XBOX
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
#endif // WINCE or (_XBOX and ! XBOX_ON_DESKTOP)
|
|
#endif // DBG
|
|
|
|
|
|
|
|
#if defined(WINCE) && !defined(WINCE_ON_DESKTOP)
|
|
|
|
//**********************************************************************
|
|
//**
|
|
//** Begin CE layer. Here we implement functions we need that aren't on CE.
|
|
//**
|
|
//**********************************************************************
|
|
|
|
#undef DPF_MODNAME
|
|
#define DPF_MODNAME "OpenEvent"
|
|
|
|
HANDLE WINAPI OpenEvent(IN DWORD dwDesiredAccess, IN BOOL bInheritHandle, IN LPCWSTR lpName)
|
|
{
|
|
HANDLE h;
|
|
|
|
h = CreateEvent(0, 1, 0, lpName);
|
|
if (!h)
|
|
{
|
|
return NULL;
|
|
}
|
|
if (GetLastError() != ERROR_ALREADY_EXISTS)
|
|
{
|
|
CloseHandle(h);
|
|
return NULL;
|
|
}
|
|
return h;
|
|
}
|
|
|
|
#undef DPF_MODNAME
|
|
#define DPF_MODNAME "OpenFileMapping"
|
|
|
|
HANDLE WINAPI OpenFileMapping(IN DWORD dwDesiredAccess, IN BOOL bInheritHandle, IN LPCWSTR lpName)
|
|
{
|
|
HANDLE h;
|
|
DWORD dwFlags = 0;
|
|
|
|
if (dwDesiredAccess & FILE_MAP_WRITE)
|
|
{
|
|
// If they ask for FILE_MAP_ALL_ACCESS or FILE_MAP_WRITE, they get read and write
|
|
dwFlags = PAGE_READWRITE;
|
|
}
|
|
else
|
|
{
|
|
// If they only ask for FILE_MAP_READ, they get read only
|
|
dwFlags = PAGE_READONLY;
|
|
}
|
|
|
|
h = CreateFileMapping(INVALID_HANDLE_VALUE, 0, dwFlags, 0, 1, lpName);
|
|
if (!h)
|
|
{
|
|
return NULL;
|
|
}
|
|
if (GetLastError() != ERROR_ALREADY_EXISTS)
|
|
{
|
|
CloseHandle(h);
|
|
return NULL;
|
|
}
|
|
return h;
|
|
}
|
|
|
|
#undef DPF_MODNAME
|
|
#define DPF_MODNAME "OpenMutex"
|
|
|
|
HANDLE WINAPI OpenMutex(IN DWORD dwDesiredAccess, IN BOOL bInheritHandle, IN LPCWSTR lpName)
|
|
{
|
|
HANDLE h;
|
|
|
|
h = CreateMutex(0, 0, lpName);
|
|
if (!h)
|
|
{
|
|
return NULL;
|
|
}
|
|
if (GetLastError() != ERROR_ALREADY_EXISTS)
|
|
{
|
|
CloseHandle(h);
|
|
return NULL;
|
|
}
|
|
return h;
|
|
}
|
|
|
|
/*
|
|
#ifdef _X86_
|
|
__declspec(naked)
|
|
LONG WINAPI InterlockedExchangeAdd( LPLONG Addend, LONG Increment )
|
|
{
|
|
__asm
|
|
{
|
|
mov ecx, [esp + 4] ; get addend address
|
|
mov eax, [esp + 8] ; get increment value
|
|
lock xadd [ecx], eax ; exchange add}
|
|
ret
|
|
}
|
|
}
|
|
#endif // _X86
|
|
*/
|
|
#endif // WINCE
|
|
//**********************************************************************
|
|
//**
|
|
//** End CE layer. Here we implement functions we need that aren't on CE.
|
|
//**
|
|
//**********************************************************************
|
|
|
|
|
|
#if ((defined(WINCE)) || (defined(DPNBUILD_LIBINTERFACE)))
|
|
|
|
#undef DPF_MODNAME
|
|
#define DPF_MODNAME "DNCoCreateGuid"
|
|
|
|
HRESULT DNCoCreateGuid(GUID* pguid)
|
|
{
|
|
pguid->Data1 = (rand() << 16) | rand();
|
|
pguid->Data2 = (WORD)rand();
|
|
pguid->Data3 = (WORD)rand();
|
|
pguid->Data4[0] = (BYTE)rand();
|
|
pguid->Data4[1] = (BYTE)rand();
|
|
pguid->Data4[2] = (BYTE)rand();
|
|
pguid->Data4[3] = (BYTE)rand();
|
|
pguid->Data4[4] = (BYTE)rand();
|
|
pguid->Data4[5] = (BYTE)rand();
|
|
pguid->Data4[6] = (BYTE)rand();
|
|
pguid->Data4[7] = (BYTE)rand();
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
#endif // WINCE or DPNBUILD_LIBINTERFACE
|
|
|
|
|
|
|
|
#ifndef DPNBUILD_NOPARAMVAL
|
|
|
|
BOOL IsValidStringA( const CHAR * const lpsz )
|
|
{
|
|
#ifndef WINCE
|
|
return (!IsBadStringPtrA( lpsz, 0xFFFF ) );
|
|
#else
|
|
const char* szTmpLoc = lpsz;
|
|
|
|
//
|
|
// If it is a NULL pointer just return FALSE, they are always bad
|
|
//
|
|
if (szTmpLoc == NULL)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
_try
|
|
{
|
|
for( ; *szTmpLoc ; szTmpLoc++ );
|
|
}
|
|
_except(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
#endif // WINCE
|
|
}
|
|
|
|
BOOL IsValidStringW( const WCHAR * const lpwsz )
|
|
{
|
|
#ifndef WINCE
|
|
return (!IsBadStringPtrW( lpwsz, 0xFFFF ) );
|
|
#else
|
|
const wchar_t *szTmpLoc = lpwsz;
|
|
|
|
//
|
|
// If it is a NULL pointer just return FALSE, they are always bad
|
|
//
|
|
if( szTmpLoc == NULL )
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
_try
|
|
{
|
|
for( ; *szTmpLoc ; szTmpLoc++ );
|
|
}
|
|
_except( EXCEPTION_EXECUTE_HANDLER )
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
#endif // WINCE
|
|
}
|
|
|
|
#endif // !DPNBUILD_NOPARAMVAL
|